1772728624206 has 96 divisors (see below), whose sum is σ = 3962119412160. Its totient is φ = 572407160832.

The previous prime is 1772728624189. The next prime is 1772728624211. The reversal of 1772728624206 is 6024268272771.

1772728624206 is a `hidden beast` number, since 1 + 7 + 7 + 2 + 7 + 2 + 8 + 624 + 2 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224990175 + ... + 224998053.

It is an arithmetic number, because the mean of its divisors is an integer number (41272077210).

Almost surely, 2^{1772728624206} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1772728624206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981059706080).

1772728624206 is an abundant number, since it is smaller than the sum of its proper divisors (2189390787954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1772728624206 is a wasteful number, since it uses less digits than its factorization.

1772728624206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370 (or 9367 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 1772728624206 in words is "one trillion, seven hundred seventy-two billion, seven hundred twenty-eight million, six hundred twenty-four thousand, two hundred six".